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"&lt;p&gt;&lt;/p&gt;&lt;p&gt;American swimmer Katie Ledecky&amp;nbsp;took home gold in the 400-meter freestyle on Sunday night, and shattered her own world record in the process.\r\n\r\n&lt;/p&gt;&lt;p&gt;The 19-year-old finished her four laps in 3:56:46, topping her then-record time of 3:58:37 at the 2014 Pan Pacific Championships by nearly two seconds. &amp;nbsp;\r\n\r\n&lt;/p&gt;&lt;p&gt;Ledecky&amp;nbsp;already had a silver medal to her name, placing second in Saturday\u2019s 4x100-meter freestyle relay. She will race again on Monday afternoon in the 200-meter freestyle heats, and in the heats for the 800-meter free on Thursday.\r\n\r\n&lt;/p&gt;&lt;p&gt;The gold is the first for the United States this year in swimming.\r\n\r\n&lt;/p&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt;\r\n&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/olympics/2016/08/07/katie-ledecky-breaks-world-record-gold-medal-400-meter-freestyle>